Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-29974

When network partitioning was enabled, e.g. as a result of Enhanced Tracking Protection settings, a TLS error page would allow the user to override an error on a domain which had specified HTTP Strict Transport Security (which implies that the error should not be override-able.) This issue did not affect the network connections, and they were correctly upgraded to HTTPS automatically. This vulnerability affects Firefox < 90.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 59.4%
CVSS Severity
CVSS v3 Score 4.3
CVSS v2 Score 2.6
Products affected by CVE-2021-29974


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